BKF Engineers

Legal name, DBA and former names

• BKF Engineers; former names per the firm's history page: Jack Frost Surveyors, Frost and Brian, Lawrence G. Brian and Company Civil Engineers, Brian Kangas Foulk. MNS Engineers merged into the BKF brand in 2026.Source: bkf.com/about/our-history · As of 2026-10-05

Offices

• More than 20 offices across the Western United States.Source: longpointcapital.com/news/long-point-capital-announc… · As of 2026-05-13

Ownership type

• PE-backed: Long Point Capital describes BKF as a Long Point Capital portfolio company and states it maintains its investment in the combined BKF platform after the 2026 merger with MNS Engineers.Source: longpointcapital.com/news/long-point-capital-announc… · As of 2026-05-13

Sponsor, parent or transaction

• Sponsor Long Point Capital (private equity firm focused on professional services). MNS Engineers, also a Long Point Capital partner company, merged into BKF; Long Point Capital provided liquidity to its MNS investors.Source: longpointcapital.com/news/long-point-capital-announc… · As of 2026-05-13

Employee count or band

• The firm's About page states over 800 professionals across 20+ offices (undated page, read 2026-10-05)Source: bkf.com/about · As of 2026-10-05
• The 2026-03-31 merger announcement and Long Point Capital's 2026-05-13 release state nearly 800 professionals across more than 20 offices. Discrepancy: nearly 800 versus over 800; both published, definitions not given by the sources.Source: longpointcapital.com/news/long-point-capital-announc… · As of 2026-05-13

Services and markets

• Planning, engineering, surveying and construction management for transportation, water, government and land development markets.Source: bkf.com/about · As of 2026-10-05

Leaders

• Darren K. Riegler, PE, Chief Executive Officer.Source: bkf.com/bkf-appoints-andrew-esposito-ch… · As of 2026-09-01
• Andrew Esposito, Chief Financial Officer (appointed; announced 2026-09-01)Source: bkf.com/bkf-appoints-andrew-esposito-ch… · As of 2026-09-01

Deals

• 2026-03-31: BKF and MNS Engineers announced the merger complete, launching one brand, BKF.Source: bkf.com/bkf-and-mns-merge · As of 2026-03-31
• 2026-05-13: Long Point Capital announced realization of its MNS investment through the merger while maintaining its investment in the combined platform.Source: longpointcapital.com/news/long-point-capital-announc… · As of 2026-05-13

Public filings

• DOL Form 5500 filings, plan year beginning 2024-01-01, NAICS 541330: BKF ENGINEERS 401(K) PROFIT SHARING PLAN (ACK_ID 20251014150749NAL0001557475001, 405 active participants)Source: dol.gov/agencies/ebsa/about-ebsa/our-ac… · As of 2025-10-14

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

• 2026-09-01: BKF appoints Andrew Esposito Chief Financial Officer.Source: bkf.com/bkf-appoints-andrew-esposito-ch… · As of 2026-09-01
• 2026-03-31: BKF and MNS finalize their merger.Source: bkf.com/bkf-and-mns-merge · As of 2026-03-31

Sources of record

1. https://www.bkf.com/about/our-history/
2. https://www.bkf.com/bkf-and-mns-merge/
3. https://www.longpointcapital.com/news/long-point-capital-announces-successful-realization-in-connection-with-merger-of-bkf-engineers-and-mns-engineers/
4. https://www.bkf.com/about/
5. https://www.bkf.com/bkf-appoints-andrew-esposito-chief-financial-officer/
6. https://www.dol.gov/agencies/ebsa/about-ebsa/our-activities/public-disclosure/foia/form-5500-datasets
7. https://www.enr.com/toplists/2026-top-500-design-firms-2