National Grid Transco (NYSE:NGG – Get Free Report) and Unitil (NYSE:UTL – Get Free Report) are both utilities companies, but which is the superior business? Get National Grid Transco alerts:ProfitabilityThis table compares National Grid Transco and Unitil’s net margins, return on equity and return on assets. Net Margins Return on Equity Return on Assets National Grid Transco N/A N/A N/A Unitil 9.54% 9.46% 2.69%Analyst RecommendationsThis is a summary of recent ratings for National Grid Transco and Unitil, as reported by MarketBeat.com. Gross Revenue Price/Sales Ratio Net Income Earnings Per Share Price/Earnings Ratio National Grid Transco $23.61 billion 3.08 $3.70 billion $5.20 14.12 Unitil $494.80 million 1.68 $47.10 million $2.91 16.13National Grid Transco has higher revenue and earnings than Unitil. Receive News & Ratings for National Grid Transco Daily - Enter your email address below to receive a concise daily summary of the latest news and analysts' ratings for National Grid Transco and related companies with MarketBeat.com's FREE daily email newsletter.