ConocoPhillips is ranked No. 1 on the 2011 Houston Business Journal list of Houston’s Top 100 public companies.

ConocoPhillips , which said this week it will split the company into two separate entities, has retained its lofty perch at the summit of the Houston Business Journal 2011 list of the Top 100 Houston public companies.

The list, which appears exclusively in the July 15 print edition of HBJ as part of a special 10-page section, is ranked by fiscal year 2010 revenue.

ConocoPhillips (NYSE: COP) had revenue of $198.6 billion last year, putting it well ahead of Marathon Oil Corp. (NYSE: MRO) at $73.6 billion; followed by food distributor Sysco Corp. (NYSE: SYY) at No. 3 at $37.2 billion, and Enterprise Products Partners LP (NYSE: EPD) at No. 4 at $33.7 billion. Breaking into the Top 5 this year at No. 5 is Schlumberger Ltd. (NYSE: SLB) at $27.4 billion, moving up after acquiring Smith International, which had ranked No. 16 on last year’s list.

Of the eight companies that joined the list this year, Buckeye Partners LP enters with the highest placing at No. 31.

Also included in HBJ’s special public companies’ report is the annual list of the 25 highest-paid executives at Houston-based public companies.

Topping that list is James T. Hackett of Anadarko Petroleum Corp. (NYSE: APC) with $24.3 million in total compensation, followed by G. Steven Farris of Apache Corp. Apache Corp. Latest from The Business Journals Investor Profile: Scott DooleyTop public companies: newcomers and departuresHouston executives raked in 9.4M, enjoyed perks Follow this company (NYSE: APA) at $19.2 million; J.J. Mulva of ConocoPhillips at $17.9 million; Robert L. Moody Sr. of Galveston-based American National Insurance Co. (Nasdaq: ANAT) at $16.4 million; and Andrew Gould of Schlumberger at $15.5 million, rounding out the top 5.

Anadarko and ConocoPhillips each have three executives on the top compensation list. Anadarko’s Hackett is joined by Charles Meloy at No. 9, and R.A. Walker at No. 19, while ConocoPhillips’ Mulva is accompanied by A.J. Hirshberg at No. 7 and J.A. Carrig at No. 8.