Every fact below carries a source link and an as-of date. Informational only. Ownership statements are limited to primary announcements and filings.
- Headquarters
- San Diego, CASource: kleinfelder.com/contact-us · As of 2026-10-11
- Founded
- 1961Source: kleinfelder.com/who-we-are/about-us · As of 2026-10-11
- Website
- kleinfelder.comSource: kleinfelder.com · As of 2026-10-11
- Ownership type
- Ownership not published
Legal name, DBA and former names
- The Kleinfelder Group, Inc.Source: kleinfelder.com/news/press-releases · As of 2026-10-11
Identifiers (UEI, state registrations)
- SAM UEI NFBRAAE265K1 (as shown on the USAspending recipient record) and Texas TBPELS firm no. 16438.Source: usaspending.gov/recipient/00b13391-1acc-97be-d6… · As of 2026-10-11
Services and markets
- Kleinfelder provides environmental, geotechnical, design, construction materials engineering and testing, and construction management services across energy, commercial and industrial, government and defense, power, transportation, and water markets.Source: kleinfelder.com · As of 2026-10-11
Leaders
- Louis Armstrong, Chief Executive Officer.Source: kleinfelder.com/who-we-are/leadership · As of 2026-10-11
- Ann E. Massey, President.Source: kleinfelder.com/who-we-are/leadership · As of 2026-10-11
Deals
- 2026-08-02: Kleinfelder announced a new Murray Hill office and strategic consolidation of an existing office.Source: kleinfelder.com/news/press-releases · As of 2026-10-11
Licences (board records)
- Texas TBPELS roster lists Kleinfelder, Inc. (firm no. 16438, type NS, expires 2028-01-31)Source: tbpedownloads.s3-us-west-2.amazonaws.com/roster_firm.zip · As of 2026-10-04
DOT prequalification
- TxDOT Active Precertified Firms lists KLEINFELDER, INC. with 36 areas of certification, renewal status FEBRUARY 13, 2023 ( ACTIVE )Source: dot.state.tx.us/des/precert/precrt7.htm · As of 2026-10-05
Federal awards (contracts)
- USAspending recipient record KLEINFELDER INC (San Diego, CA), contract award obligations: FY2021 $0, FY2022 $0, FY2023 $0, FY2024 $0, FY2025 $821,131 (award types A to D; obligations as published, including modifications and negative adjustments)Source: usaspending.gov/recipient/00b13391-1acc-97be-d6… · As of 2026-10-11
Public filings
- DOL Form 5500 filings, plan year beginning 2024-01-01, NAICS 541330: THE KLEINFELDER GROUP, INC. 401(K) PLAN (ACK_ID 20250909120348NAL0012863699001, 3,015 active participants)Source: dol.gov/agencies/ebsa/about-ebsa/our-ac… · As of 2025-09-09
Rankings and awards
- Listed in the ENR 2026 Top 500 Design Firms.Source: enr.com/toplists/2026-top-500-design-fi… · As of 2026-10-05
News timeline
- 2026-08-25: Kleinfelder appointed Chen Chen as Senior Vice President of Corporate Development.Source: kleinfelder.com/news/press-releases · As of 2026-10-11
Sources of record
- https://www.kleinfelder.com/news/press-releases/
- https://www.usaspending.gov/recipient/00b13391-1acc-97be-d6e8-46cd20670187-P/latest
- https://www.kleinfelder.com/contact-us/
- https://www.kleinfelder.com/who-we-are/about-us/
- https://www.kleinfelder.com/
- https://www.kleinfelder.com/who-we-are/leadership/
- https://tbpedownloads.s3-us-west-2.amazonaws.com/roster_firm.zip
- https://www.dot.state.tx.us/des/precert/precrt7.htm
- https://www.dol.gov/agencies/ebsa/about-ebsa/our-activities/public-disclosure/foia/form-5500-datasets
- https://www.enr.com/toplists/2026-top-500-design-firms-1
Ownership tag: Ownership not published. Profiles are informational, compiled from public sources linked above. Firms may request corrections. A listing is not an endorsement.
