Welcome to Peak Process Controls.

We are the exclusive North American representative to Sigrist-Photometer AG of Switzerland. Sigrist, an ISO 14001 certified company, is a world leader in the manufacturer of process photometers for continuous quality control monitoring in liquids and gasses.

For over twenty years our highly experienced and dedicated team has provided our customers with knowledgeable and accurate information, high quality instrumentation and after sales support, ensuring continuous customer satisfaction for all of our clients.  We carry a large inventory of spare parts ready for next day delivery to anywhere in North America, further guaranteeing our commitment to excellence.