This week Additech, a fuel systems maintenance and software business in Houston, scored a $4.6 million investment SEC filings revealed.

The company’s earlier backers Adams Capital Management, BEV Capital and 9 individual angels provided the tranche money. To date, Additech has raised about $35 million.

The chairman of Additech, Ralph Koehrer, explained in an e-mail that his company will use this… → Read More