| awningpro.com | National Register of Professional Awning Cleaners |
| nwfa.org | National Wood Flooring Association |
| ntma.com | National Terrazzo & Mosaic Association (NTMA) |
| nefsi.org | The National Organization of Exterior Finish System Inspectors (NEFSI) |
| bcanj.com | Building Contractors Association of New Jersey (BCANJ) |
| awinet.org | Architectural Woodwork Institute |
| asuc.org.uk | Association of Specialist Underpinning Contractors (ASUCplus) |
| asaonline.com | American Subcontractors Association, Inc. |
| asamidwest.com | American Subcontractors Association (ASA) Midwest Council |
| agc-gm.org | Associated General Contractors (AGC) of Greater Milwaukee |
United States , Pennsylvania , Allentown