UNITED STATES
                        SECURITIES AND EXCHANGE COMMISSION
                             Washington, D. C. 20549
                                    FORM 8-K
                                 Current Report

        Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

                          Date of Report: December 21, 2005

                          WORLD ENERGY SOLUTIONS, INC.
              (Exact Name of Small Business Issuer in Its Charter)

         Florida                       0-25097                  65-078-3722
(State or other jurisdiction         (Commission               (IRS Employer
    of Incorporation)                File Number)            Identification No.)


    3900A 31st Street North, St. Petersburg, Florida         33714
       (Address of principal executive offices)            (Zip Code)


       Registrant's telephone number, including area code: 727-525-5552

                     Advanced 3-D Ultrasound Services, Inc.
         (Former Name or Former Address, if changed since last report.)

Check  the  appropriate  box  below  if the  Form  8-K  filing  is  intended  to
simultaneously  satisfy the filing obligation of the registrant under any of the
following provisions:

[ ]  Written communications pursuant to Rule 425 under the Securities Act
     (17 CFR 230.425)
[ ]  Soliciting  material  pursuant to rule 14a-12 under the Exchange Act
     (17  CFR 240.14a-12)
[ ]  Pre-commencement  communications  pursuant  to Rule  14d-2(b)  under the
     Exchange Act (17 CFR 240.14d-2(b))
[ ]  Pre-commencement  communications  pursuant  to Rule  13e-4(c)  under the
     Exchange Act (17 CFR 240.13e-4(c))
SECTION 8 - OTHER EVENTS

Item 8.01 Other Events -- Teaming Agreement.

         On December  21,  2005,  World  Energy  Solutions,  Inc.  ("WES" or the
"Company") entered into a Teaming Agreement (the "Agreement") with Fort Berthold
Development  Corporation ("FBDC") to facilitate the Company's participation as a
subcontractor regarding projects where FBDC would serve as the Prime Contractor.
The term of the Agreement is for one year.  The purpose of the teaming effort is
to jointly submit proposals and pursue  procurement of contracts with the United
States  Government in response to its dissemination of requests for proposals to
obtain goods and services.  Pursuant to the Agreement, FBDC and WES also plan to
jointly  cooperate to bid on and make  proposals  for contracts to offer private
customers   comprehensive   energy  savings  and   construction   solutions  for
commercial, industrial and residential facilities.

                                 SIGNATURES

Pursuant  to the  requirements  of the  Securities  Exchange  Act of  1934,  the
registrant  has duly  caused  this  report  to be  signed  on its  behalf by the
undersigned thereunto duly authorized.

                                  WORLD ENERGY SOLUTIONS, INC.
                                  (Registrant)

Dated: December 23, 2005


                                    By: /s/ Benjamin C. Croxton
                                   ---------------------------
                                    Benjamin C. Croxton
                                    Chief Executive Officer
                                    Chief Financial Officer