gaff group inc. is a certified small, disadvantaged, and disabled veteran general contractor based in long beach, california, specializing in tenant improvements, commercial, industrial and retail construction. some of our clients include directv, mattel toys co., northrup grumman, and raytheon systems. our in-house capablities include demolition, concrete, steel stud framing and drywall, acoustic ceilings and walls, painting, cabinetry, rough and finished carpentry, plumbing and ceramic tile.