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O'Brien & Gere

O'Brien & Gere Market Share Analysis for November 2025

we offer services for advanced manufacturing, energy, environment, & water. but our real strength is creating comprehensive, integrated solutions for clients.

Science and Education > Environmental Science

Domainobg.com

Year Founded1945

Employees501 - 1000

Annual Revenue$200M - $500M

O'Brien & Gere

O'Brien & Gere (including company regionals)

obg.com

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O'Brien & Gere Revenue up to November 2025 is 200M - 500M

revenue generated by O'Brien & Gere top domains

O'Brien & Gere top domains revenue over 3 years

Revenue for O'Brien & Gere top domains

obg.com200M - 500M

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Total visits to O'Brien & Gere's top domains

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Total visits last 3 months

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Avg. visit duration in O'Brien & Gere's top domains

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Average visit duration last 3 months

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Avg. pageviews on O'Brien & Gere's top domains

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Average page views last 3 months

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O'Brien & Gere top competitors by domain

Top similar sites in November 2025, ranked by their affinity

rouxinc.comCompany NameRoux Associates Inc.Employees201 - 500HQUnited States, New York, IslandiaAnnual revenue$75M - $100MTotal visits4.2KScience and Education > Environmental Science

Top technologies used by O'Brien & Gere

These are the website technologies, by industry, used by O'Brien & Gere top domains

Social (3)

Facebook Connect

Widget (3)

Google Maps

Advertising (2)

DoubleClick

Audio Video Media (2)

YouTube

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8

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News & Signals from O'Brien & Gere

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NewsO'Brien & Gere partners with VU.CITY Limited.City-wide digital twin technologies are a crucial tool to support the development of sustainable, resilient and liveable cities and O'Brien & Gere is delighted to partner with VU.CITY who are a pioneer in this field.”

NewsO'Brien & Gere sold assets to Alliance Technical Group on Apr 1st '21.Align Capital Partners’ (“ACP”) environmental testing and compliance platform Alliance Technical Group, LLC (“Alliance” or the “Company”) has acquired the air testing and monitoring assets of O’Brien & Gere, a division of Ramboll (“Ramboll Air Testing and Monitoring”).

NewsO'Brien & Gere hired Jim Fox as CEO on Jan 1st '83.Jim Fox joined O'Brien & Gere as an engineer in 1983 and has served as CEO since Jan. 1, 2011.