West Des Moines-based private equity fund Midwest Growth Partners has invested in Van Becelaere Machine Works, based in Pittsburg, Kan. Vince Van Becelaere and Joel Van Becelaere, president and vice president of Van Becelaere Machine Works, will retain family ownership and lead operations. MGP will assist with finance, governance and acquisition initiatives. Van Becelaere Machine Works employs 45.