Homrich Berg's existing backer New Mountain Capital will remain an investor.
Heartwood targets the niche manufacturing, specialty chemicals, food, agriculture, packaging and industrial & consumer services markets.
Corob provides automated products for dosing and dispensing in the paint, coatings and ink industries.
Insight Partners, EQT and General Atlantic are among the PE firms making deals in the sector.
KKR acquired GSI in December 2018.
Sidley Austin LLP represented HIG on the deal.
Pro-Vision is backed by JMC Capital Partners.
Europastry is a frozen bakery products business.
Kamino Retail is an onsite retail media platform designed for retailers.
Ansira is a marketing platform for brands.