Haugland Group's affiliates and subsidiaries have worked with an extensive list of clients in both public and private sectors, including:
- American Gas Association (AGA)
- American Road and Transportation Builders Association (ARTBA)
- Associated General Contractors of America (AGC)
- Builders Exchanges of Rochester, Syracuse, and Watertown
- Building Industry Consulting Service International (BICSI)
- Construction Financial Management Association (CFMA)
- Doble Engineering
- National Electrical Contractors Association (NECA)
- National Fire Protection Association (NFPA)
- Northeast Gas Association (NGA)
- TEGG Corporation
- Transportation Partnership and Cooperation (TRANSPAC)
- The General Contractors Association of New York, Inc. (GCA)
- The Long Island Contractors Association (LICA)
Haugland Group subsidiaries collectively have personnel that maintain OSHA 10, OSHA 10-Hour T&D, 20 Hour Construction Supervisor Leadership Skills (20 Hour T&D), OSHA 30 hour training and OSHA Authorized Construction Trainers.