Every fact below carries a source link and an as-of date. Informational only. Ownership statements are limited to primary announcements and filings.
- Headquarters
- New York, NYSource: jbb.com/connect · As of 2026-10-11
- Ownership type
- Subsidiary of a parent company, as described on the firm's own websiteSource: jbb.com/about · As of 2026-10-11
- Sponsor or parent
- JB&B joined the Trinity Consultants team in 2025Source: jbb.com/about · As of 2026-10-11
Legal name, DBA and former names
- Jaros Baum & Bolles (JB&B)Source: jbb.com · As of 2026-10-11
Identifiers (UEI, state registrations)
- Texas TBPELS firm no. 17912, 27870.Source: tbpedownloads.s3-us-west-2.amazonaws.com/roster_firm.zip · As of 2026-10-04
Offices
- JB&B lists offices in Boston, New York, and Philadelphia.Source: jbb.com/connect · As of 2026-10-11
Ownership type
- Subsidiary of a parent company, as described on the firm's own website.Source: jbb.com/about · As of 2026-10-11
Sponsor, parent or transaction
- JB&B joined the Trinity Consultants team in 2025.Source: jbb.com/about · As of 2026-10-11
Services and markets
- JB&B provides MEP engineering, technology systems, deep carbon reduction, environmental, field, and specialty services for buildings and related markets.Source: jbb.com · As of 2026-10-11
Leaders
- Walter Mehl, Jr., President, Built Environment.Source: jbb.com/about · As of 2026-10-11
- Al Barba, President, JB&B Environmental.Source: jbb.com/about · As of 2026-10-11
Licences (board records)
- Texas TBPELS roster lists Jaros, Baum & Bolles Consulting Engineers, LLP (firm no. 17912, type NS, expires 2028-07-31); Jaros, Baum & Bolles, Inc. (firm no. 27870, type NS, expires 2028-01-31)Source: tbpedownloads.s3-us-west-2.amazonaws.com/roster_firm.zip · As of 2026-10-04
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
Sources of record
Ownership tag: Independent / other ownership. Profiles are informational, compiled from public sources linked above. Firms may request corrections. A listing is not an endorsement.
