ACCUMATION INC ccumation, Inc. has specialized in the manufacturing of precision Swiss Screw Machine Products for 45 years. We manufacture precision parts for varous types of industy, and have earned a reputation for quality and accuracy. Accumation, Inc. has been a member of the Crystal Lake business Community for many years, and is known for being a great place to work. ecur ation Inc. Accuracy is Automatic rew Machine Products ccumation Inc. Swiss Screw Machine Products 815-455-6250 6211 Factory Rd. Crystal Lake, IL