When Sheila and Denny Nessler bought Columbia Sanitation — a septic pumping operation — 12 years ago, they knew proactive planning was what would pave their road to success. This thorough business planning, along with tight cost control and focused diversification, has set the company on a profitable path. As they celebrated the firm’s 50th anniversary last year, the Nesslers nurtured an operation that has branched out into two other related services — portable restrooms and land application of treated waste — and nearly tripled its revenues since their acquisition. All diversification has been deliberately considered and executed in response
