Keystone Capital Forms Gillson Sciences via Acquisition of Azzur Labs and Micro Measurement Laboratories

Gillson Sciences Acquires SanAir Technologies Laboratory

January 21, 2026

Environmental Services

Gillson Sciences, a Chicago-based laboratory testing and scientific solutions provider and portfolio company of Keystone Capital Management, has acquired SanAir Technologies Laboratory, an accredited environmental and industrial hygiene testing laboratory headquartered in Richmond, Virginia. The add-on expands Gillson's capabilities into environmental testing (air, asbestos, Legionella, lead/metals, industrial hygiene) and broadens its service offering across environmental and industrial end markets.

Inverness Graham Acquires Azer Scientific and Combines It with Electron Microscopy Sciences

August 17, 2023

Medical Devices

Inverness Graham, a Philadelphia-based private equity firm, has acquired Azer Scientific, a Morgantown, Pennsylvania provider of laboratory consumables and equipment. Azer will be combined with Inverness Graham portfolio company Electron Microscopy Sciences (EMS) to create a scaled life sciences and clinical diagnostics platform; terms were not disclosed.

Azelis Acquires Gillco Ingredients

May 16, 2023

Food & Beverage

Azelis has signed an agreement to acquire 100% of Gillco Ingredients, a US-based specialty ingredient provider serving the food & nutrition market. The acquisition expands Azelis' footprint in the US life sciences and food & nutrition sectors and brings Gillco's ~40 employees and application expertise into Azelis' global network.

Millstone Medical Outsourcing Acquires MycoScience

November 14, 2022

Healthcare Services

Millstone Medical Outsourcing, an Arlington Capital Partners portfolio company, has completed the acquisition of MycoScience, a Willington, Connecticut-based provider of medical device and pharmaceutical laboratory and environmental testing services. The acquisition adds advanced laboratory and regulatory testing capabilities to Millstone's post-manufacturing and aftermarket services, enabling more in-house testing, faster time to market, and expanded end-to-end offerings.

BioAgilytix Acquires 360biolabs and MicroConstants

October 14, 2021

Healthcare Services

BioAgilytix Labs, LLC acquired Australia-based 360biolabs and US-based MicroConstants to expand its global footprint and bioanalytical capabilities, including LC/MS/MS, virology and immunology expertise. The deals (360biolabs subject to FIRB approval) add capacity in Melbourne and Brisbane and establish BioAgilytix San Diego, strengthening support for first-in-human and early-phase clinical trials across major geographies.

Nexelis Acquires GSK Vaccines Clinical Bioanalytical Laboratory (Marburg)

January 20, 2021

Biotechnology

Nexelis, a portfolio company of Ampersand Capital Partners, has signed an asset purchase agreement to acquire GSK's GCLP-certified clinical bioanalytical laboratory in Marburg, Germany. Approximately 80 scientists and analysts will transfer to Nexelis, which also entered a five-year strategic collaboration with GSK to continue supporting vaccine development while expanding Nexelis' assay development and high-throughput clinical testing capabilities in Europe.