For over 40 years ENV Services, Inc. has been the pioneer in the Calibration, Certification, and Decontamination of Controlle ... d Containment Equipment and Facilities. Today ENV continues to be the recognized leader in providing these services to the pharmaceutical, biotechnology, chemical, academic, healthcare, aerospace, defense, validation, medical device, food, packaging, and various other service industries. Our Certification, Process Calibration and Metrology Services are committed to providing the highest levels of customer service, attention to detail, and quality to help you keep your products and business moving. Specialties: Pro-Lab is a full service, sole source provider of metrology and laboratory calibration needs. Pro-Lab has been ISO 17025 Accredited since 2004. We offer DIRECT NIST standards. All items are entered into our proprietary electronic database, which ensures the highest level of maintaining inventory, and the benefit of Automatic Recalls to alert you when equipment is nearing its next calibration. read more