RJN Group, Inc.

Legal name, DBA and former names

• RJN Group, Inc.Source: rjn.com/rjn-history · As of 2026-10-06

Identifiers (UEI, state registrations)

• Texas TBPELS firm no. 3260.Source: tbpedownloads.s3-us-west-2.amazonaws.com/roster_firm.zip · As of 2026-10-04

Offices

• 22 office locations in 12 states, per the firm's history page.Source: rjn.com/rjn-history · As of 2026-10-06

Ownership type

• Employee-owned (ESOP): the firm's history page states RJN became 100% employee owned; a DOL Form 5500 ESOP filing is listed under ESOP data.Source: rjn.com/rjn-history · As of 2026-10-06

Sponsor, parent or transaction

• RJN purchased founder Richard J. Nogaj's stock and became employee owned, per the firm's history page.Source: rjn.com/rjn-history · As of 2026-10-06

Services and markets

• Professional engineering and specialty field services firm focused on municipal infrastructure engineering.Source: rjn.com/rjn-history · As of 2026-10-06

Leaders

• Paul Costa, President and CEO.Source: rjn.com/leaders · As of 2026-10-06
• Daniel Jackson, PE, Executive Vice President.Source: rjn.com/leaders · As of 2026-10-06
• Todd Leistner, Chief Financial Officer.Source: rjn.com/leaders · As of 2026-10-06

Licences (board records)

• Texas TBPELS roster lists RJN GROUP INC (firm no. 3260, type NS, expires 2027-01-31)Source: tbpedownloads.s3-us-west-2.amazonaws.com/roster_firm.zip · As of 2026-10-04

ESOP plan data (Form 5500)

• DOL Form 5500 plan year beginning 2024-02-01: RJN GROUP, INC. EMPLOYEE STOCK OWNERSHIP PLAN (ACK_ID 20250930152006NAL0015098192001), 165 active participants and total plan assets of $16,512,344 at year end.Source: dol.gov/agencies/ebsa/about-ebsa/our-ac… · As of 2025-09-30

Public filings

• DOL Form 5500 filings, plan year beginning 2024-02-01, NAICS 541330: RJN GROUP, INC. EMPLOYEE STOCK OWNERSHIP PLAN (ACK_ID 20250930152006NAL0015098192001, 165 active participants); RJN GROUP, INC. 401(K) PLAN (ACK_ID 20251001103423NAL0012478209001, 170 active participants)Source: dol.gov/agencies/ebsa/about-ebsa/our-ac… · As of 2025-09-30

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

• 2025: firm celebrated 50 years in business (history page)Source: rjn.com/rjn-history · As of 2026-10-06

Sources of record

1. https://www.rjn.com/rjn-history
2. https://tbpedownloads.s3-us-west-2.amazonaws.com/roster_firm.zip
3. https://www.enr.com/toplists/2026-top-500-design-firms-5
4. https://www.rjn.com/
5. https://www.rjn.com/leaders
6. https://www.dol.gov/agencies/ebsa/about-ebsa/our-activities/public-disclosure/foia/form-5500-datasets