Aterian Investment Partners- backed Allentown, a provider of life science solutions that include animal housing, vivarium design, and engineering analysis, completed the acquisition of BetterBuilt, a manufacturer of industrial washers and surgical equipment for the life science and laboratory research sectors. Financial terms were not disclosed. "This partnership will continue the vision of BetterBuilt that we have built over many years. It is clear that both BetterBuilt and Allentown have continuously developed and refined through the years a strong culture of producing state-of-the-art products for our customers. We are confident we have found the right partner to help us in our next stage of growth," Harry Lim, BetterBuilt President and Co-owner.