What your resume should always include:

a. Name -  First and last name only because that's how you are introduced and
introduce yourself.
b. Address - Give complete address. Do not abbreviate.
c. Telephone number with area code.
d. Objective - Keep it short. Just one or two sentences. Adjust to fit position for which you are applying. If resume is going to be circulated a lot, the broader

the better.
e. Education - If you are a recent graduate place before work experience, if

not, place after.
f. Skills -  List all that are appropriate to the type of work you are seeking.

Include
computer skills and languages (understood, read, or spoken) for every job.
g. Dates - Include some type of reference of when you had the job. Be consistent with your notation
h. Job Titles -  Adjust to fit position for which you are applying. If resume is going to be circulated a lot, the broader the better. If appropriate use position title for which you are applying.
g. Company Name -  The company with whom you were employed. City and state are sufficient for the address.  
h. Responsibilities - Essential part of resume. Highlight the responsibilities of your previous jobs that are related to the position for which you are applying.
i. Professional Licenses - Include if important to line of work
j. Publications and Patents -  Use if important to your field of profession.
k. Professional Affiliations - Exclude mention of political, social, religious or any other controversial group. The emphasis is on your professional memberships not personal