The transaction is currently expected to close in the second half of 2024.
The partnership agreed to acquire Allete for $67 per share in cash, or $6.2 billion, including the assumption of debt.
Oxer Capital Partners and Salem Investment Partners co-invested in the deal and provided the debt financing.
The seller is Apax.
TMC is a transportation planning and traffic engineering firm.
According to terms of the agreement, Perficient stockholders will receive $76 per share in cash for each share of common stock they own.
The separation is being facilitated by way of separate debt recapitalizations of each business.
Circor originally acquired DeltaValve in late 2016 as part of its Critical Flow Solutions acquisition valued at $210m.
Emerald Technologies is a provider of electronics manufacturing services.
Pro-Vac is a provider of essential subsurface infrastructure services.