StartupBlink

10 Top startups in Diamond Bar for June 2026

We rank Zenlayer, Wellue and Liferay Cloud in Diamond Bar along with 7 other startups based on an algorithm that scores startups based on total investment, employee count, and quarterly website traffic. Diamond Bar is part of Los Angeles Area startup ecosystem which ranks #4 globally and #3 in North America.

Powered by:

Category

Startups

Unicorns

Exits

Coworking Spaces

Accelerators

Best Startups in Diamond Bar for 2026

SB Score:478

Zenlayer operates as a software-defined network and services provider. It offers bare metal cloud, SD-WAN cloud connect, edge computing, and colocation in over 100 data centers on six continents. Enterprises utilizes Zenlayer’s SDx platforms to instantly enable worldwide connectivity and deliver the user experience. The company was founded in 2014 and is headquartered in Diamond Bar, California.

Industry:
Software & Data
Subindustry:
Cloud

City Rank (Diamond Bar)

0

View

Regional Rank (North America)

0

View

Global Rank (WorldWide)

0

Browse
View full page
SB Score:312

Wellue is dedicated to developing safe and smart family healthcare wearables. Our products enjoying promising market outlooks include pulse oximeters, sleep oxygen monitors, blood pressure monitors, and portable ECG monitors, etc. O2Ring is the top product of our website, which is More than 290k+ average monthly readers.

Industry:
Healthtech
Subindustry:
Health Care

City Rank (Diamond Bar)

0

View

Regional Rank (North America)

0

View

Global Rank (WorldWide)

0

Browse
View full page
SB Score:216

ATO.com is an online store providing customers all kinds of industrial automation products like VFD, servo motors, power supplies etc..From the very beginning, we have been committed to developing new and innovative solutions, delivering products of the highest quality, fulfilling the needs of each customer, and operating with honesty and integrity. These commitments continue to guide us and define us as a company. ATO Automation inc will produce products and perform services that meet or exceed the expectations of our customers through the total involvement of our people and our commitment to continuous improvement in everything we do. We walk shoulder-to-shoulder with our customers through every phase of a project – from concept to commissioning – and follow through with outstanding after-sales support. Our customers rely on our exceptional partnership and innovative solutions, and we take great pride in the trust we have earned.

Industry:
Ecommerce & Retail
Subindustry:
Ecommerce

City Rank (Diamond Bar)

0

View

Regional Rank (North America)

0

View

Global Rank (WorldWide)

0

Browse
View full page

NuBridge Commercial Lending is a nationwide direct lender focused on making first-lien, short-term bridge loans to owners of small-balance commercial properties in 48 states and the District of Columbia. We target loans ranging from $1-$10 million with 12-, 18- or 24-month terms.

Industry:
Fintech
Subindustry:
Financial Services

City Rank (Diamond Bar)

0

View

Regional Rank (North America)

0

View

Global Rank (WorldWide)

0

Browse
View full page
SB Score:55

Chip Financial is a digital banking services company that provides access to patented and proprietary software to its clients with the latest digital payment and banking technologies. It focuses on building deep relationships across various industries, including banks, e-commerce, non-profits, sports entertainment, online gaming, and Fintechs. They can enable their clients to succeed at scale with their expertise and cutting-edge fintech technologies. Their digital solutions are designed to enhance the user experience and make managing finances easier and more efficient. The company is committed to providing customer service and support and strives to stay at the forefront of the latest industry developments to continue delivering innovative solutions.

Industry:
Fintech
Subindustry:
Financial Services

City Rank (Diamond Bar)

0

View

Regional Rank (North America)

0

View

Global Rank (WorldWide)

0

Browse
View full page
SB Score:55

Cientis Technologies is an international developer of web-based tools and apps to assist clinicians and their medical practice teams achieve optimal use of healthcare technologies. Cientis' online communities, AmericanEHR.com and CanadianEMR.ca are free online resources designed to aid with the selection, implementation, and effective use of electronic health records (EHRs) and other health information technology. Cientis also provides clinicians, healthcare consultants, policy makers, pharma and technology professionals with syndicated research, surveys, and key insights surrounding user satisfaction and market shares for health technology products and services. Our competitive advantage is our extensive relationships within the medical community, including the founding partner of AmericanEHR, the American College of Physicians (ACP). In total Cientis has partnered with 22 medical associations to date, including the American Medical Association (AMA), the American Academy of Family Physicians (AAFP) and the American College of Surgeons (ACS), who collectively represent more than 720,000 licensed clinicians. Cientis has also partnered with content providers HIMSS, HL7, and AHIMA. We verify physician credentials in realtime against the AMA Masterfile, or our other partner association databases to provide the highest level of confidence on all survey data we collect. As of September 2013 AmericanEHR.com had approximately 22,000 members and CanadianEMR.ca had approximately 4,000 members. Cientis' first iOS mobile app, The Immunization Advisor App was developed in support of the ACP Adult Immunization Initiative and was downloaded by 16,700 clinicians from March 2012 to January 2013. This app was made possible by unrestricted educational grants from Sanofi Pasteur, Merck Vaccines, and Pfizer, Inc.

Industry:
Software & Data
Subindustry:
Apps

City Rank (Diamond Bar)

0

View

Regional Rank (North America)

0

View

Global Rank (WorldWide)

0

Browse
View full page
SB Score:24

AdvanceTrex Sensor Technologies specializes in the development and application of sensor technologies for various industries. The company focuses on creating innovative solutions for monitoring and alert systems, particularly in electrical switchgear. With a team that leverages over 20 years of experience across diverse sectors, AdvanceTrex Sensor Technologies aims to enhance operational efficiency and safety through its sensor technology offerings. The company's commitment to innovation is evident in its approach to addressing complex challenges in the monitoring of machines and equipment sets. AdvanceTrex Sensor Technologies operates with a small, dedicated team, ensuring focused development and deployment of its sensor technologies.

Industry:
Hardware & IoT
Subindustry:
Hardware

City Rank (Diamond Bar)

0

View

Regional Rank (North America)

0

View

Global Rank (WorldWide)

0

Browse
View full page

Gwakoo specializes in creating modern, responsive web designs tailored to enhance brand visibility and engagement. The company offers a comprehensive suite of services including website building, UI/UX designing, custom themes development, photography, photoshoot services, and social media marketing. With a focus on delivering intuitive web solutions, Gwakoo caters to a diverse clientele, aiming to elevate their online presence through innovative design and strategic digital marketing efforts.

Industry:
Software & Data
Subindustry:
Web Development

City Rank (Diamond Bar)

0

View

Regional Rank (North America)

0

View

Global Rank (WorldWide)

0

Browse
View full page

Total amount:10

SB Score:478

Zenlayer operates as a software-defined network and services provider. It offers bare metal cloud, SD-WAN cloud connect, edge computing, and colocation in over 100 data centers on six continents. Enterprises utilizes Zenlayer’s SDx platforms to instantly enable worldwide connectivity and deliver the user experience. The company was founded in 2014 and is headquartered in Diamond Bar, California.

Industry:
Software & Data
Subindustry:
Cloud

City Rank (Diamond Bar)

0

View

Regional Rank (North America)

0

View

Global Rank (WorldWide)

0

Browse
View full page
SB Score:312

Wellue is dedicated to developing safe and smart family healthcare wearables. Our products enjoying promising market outlooks include pulse oximeters, sleep oxygen monitors, blood pressure monitors, and portable ECG monitors, etc. O2Ring is the top product of our website, which is More than 290k+ average monthly readers.

Industry:
Healthtech
Subindustry:
Health Care

City Rank (Diamond Bar)

0

View

Regional Rank (North America)

0

View

Global Rank (WorldWide)

0

Browse
View full page

Total amount:10

SB Score:478

Zenlayer operates as a software-defined network and services provider. It offers bare metal cloud, SD-WAN cloud connect, edge computing, and colocation in over 100 data centers on six continents. Enterprises utilizes Zenlayer’s SDx platforms to instantly enable worldwide connectivity and deliver the user experience. The company was founded in 2014 and is headquartered in Diamond Bar, California.

Industry:
Software & Data
Subindustry:
Cloud

City Rank (Diamond Bar)

0

View

Regional Rank (North America)

0

View

Global Rank (WorldWide)

0

Browse
View full page
SB Score:312

Wellue is dedicated to developing safe and smart family healthcare wearables. Our products enjoying promising market outlooks include pulse oximeters, sleep oxygen monitors, blood pressure monitors, and portable ECG monitors, etc. O2Ring is the top product of our website, which is More than 290k+ average monthly readers.

Industry:
Healthtech
Subindustry:
Health Care

City Rank (Diamond Bar)

0

View

Regional Rank (North America)

0

View

Global Rank (WorldWide)

0

Browse
View full page

Total amount:10

SB Score:478

Zenlayer operates as a software-defined network and services provider. It offers bare metal cloud, SD-WAN cloud connect, edge computing, and colocation in over 100 data centers on six continents. Enterprises utilizes Zenlayer’s SDx platforms to instantly enable worldwide connectivity and deliver the user experience. The company was founded in 2014 and is headquartered in Diamond Bar, California.

Industry:
Software & Data
Subindustry:
Cloud

City Rank (Diamond Bar)

0

View

Regional Rank (North America)

0

View

Global Rank (WorldWide)

0

Browse
View full page
SB Score:312

Wellue is dedicated to developing safe and smart family healthcare wearables. Our products enjoying promising market outlooks include pulse oximeters, sleep oxygen monitors, blood pressure monitors, and portable ECG monitors, etc. O2Ring is the top product of our website, which is More than 290k+ average monthly readers.

Industry:
Healthtech
Subindustry:
Health Care

City Rank (Diamond Bar)

0

View

Regional Rank (North America)

0

View

Global Rank (WorldWide)

0

Browse
View full page

Total amount:10

Most Funded Startups in Diamond Bar for 2026

The top three most funded startups in Diamond Bar have raised total funding of more than USD 102M. Zenlayer has Infinity% more funding than NuBridge Commercial Lending.
SB Score:478

Zenlayer operates as a software-defined network and services provider. It offers bare metal cloud, SD-WAN cloud connect, edge computing, and colocation in over 100 data centers on six continents. Enterprises utilizes Zenlayer’s SDx platforms to instantly enable worldwide connectivity and deliver the user experience. The company was founded in 2014 and is headquartered in Diamond Bar, California.

Industry:
Software & Data
Subindustry:
Cloud

City Rank (Diamond Bar)

0

View

Regional Rank (North America)

0

View

Global Rank (WorldWide)

0

Browse
View full page
SB Score:24

AdvanceTrex Sensor Technologies specializes in the development and application of sensor technologies for various industries. The company focuses on creating innovative solutions for monitoring and alert systems, particularly in electrical switchgear. With a team that leverages over 20 years of experience across diverse sectors, AdvanceTrex Sensor Technologies aims to enhance operational efficiency and safety through its sensor technology offerings. The company's commitment to innovation is evident in its approach to addressing complex challenges in the monitoring of machines and equipment sets. AdvanceTrex Sensor Technologies operates with a small, dedicated team, ensuring focused development and deployment of its sensor technologies.

Industry:
Hardware & IoT
Subindustry:
Hardware

City Rank (Diamond Bar)

0

View

Regional Rank (North America)

0

View

Global Rank (WorldWide)

0

Browse
View full page

Total amount:10

Top Hiring Startups in Diamond Bar by Employee Number

The top three hiring startups in Diamond Bar have an median employee size that is between [101-250]
SB Score:312

Wellue is dedicated to developing safe and smart family healthcare wearables. Our products enjoying promising market outlooks include pulse oximeters, sleep oxygen monitors, blood pressure monitors, and portable ECG monitors, etc. O2Ring is the top product of our website, which is More than 290k+ average monthly readers.

Industry:
Healthtech
Subindustry:
Health Care

City Rank (Diamond Bar)

0

View

Regional Rank (North America)

0

View

Global Rank (WorldWide)

0

Browse
View full page
SB Score:478

Zenlayer operates as a software-defined network and services provider. It offers bare metal cloud, SD-WAN cloud connect, edge computing, and colocation in over 100 data centers on six continents. Enterprises utilizes Zenlayer’s SDx platforms to instantly enable worldwide connectivity and deliver the user experience. The company was founded in 2014 and is headquartered in Diamond Bar, California.

Industry:
Software & Data
Subindustry:
Cloud

City Rank (Diamond Bar)

0

View

Regional Rank (North America)

0

View

Global Rank (WorldWide)

0

Browse
View full page
SB Score:216

ATO.com is an online store providing customers all kinds of industrial automation products like VFD, servo motors, power supplies etc..From the very beginning, we have been committed to developing new and innovative solutions, delivering products of the highest quality, fulfilling the needs of each customer, and operating with honesty and integrity. These commitments continue to guide us and define us as a company. ATO Automation inc will produce products and perform services that meet or exceed the expectations of our customers through the total involvement of our people and our commitment to continuous improvement in everything we do. We walk shoulder-to-shoulder with our customers through every phase of a project – from concept to commissioning – and follow through with outstanding after-sales support. Our customers rely on our exceptional partnership and innovative solutions, and we take great pride in the trust we have earned.

Industry:
Ecommerce & Retail
Subindustry:
Ecommerce

City Rank (Diamond Bar)

0

View

Regional Rank (North America)

0

View

Global Rank (WorldWide)

0

Browse
View full page

Total amount:10

Explore the Startup Ecosystem of Diamond Bar

National Rank

(United States)

new

Regional Rank

(North America)

3rd

0

Global Rank

(WorldWide)

4th

0

Visit

Top Cities for Startups in United States - Ranked by StartupBlink

StartupBlink ranks the startup ecosystems of more than 100 countries and 1,000 cities. Download our latest Global Startup Ecosystem Report.
2026 National Rank CityGlobal RankTotal ScoreAnnual Growth

Access subscores for 1000 cities and 100 countries

Quantity Score
Quality ScoreBusiness Score
1st
0
1st
0
935.325
0.0%
00.00
00.00
00.00
2nd
0
2nd
0
352.159
0.0%
00.00
00.00
00.00
3rd
0
4th
0
152.371
0.0%
00.00
00.00
00.00
4th
0
5th
+
1
127.119
0.0%
00.00
00.00
00.00
Microsoft Excel icon
Download CSV file